| # Copyright 2017 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """Allows to use Clang as a compiler and assembler.""" |
| |
| from starboard.tools.toolchain import abstract |
| from starboard.tools.toolchain import common |
| |
| |
| class CompilerBase(object): |
| """A base class for Clang-based compilers and assemblers.""" |
| |
| def __init__(self, **kwargs): |
| self._path = common.GetPath('clang', **kwargs) |
| self._extra_flags = kwargs.get('extra_flags', []) |
| |
| def GetPath(self): |
| return self._path |
| |
| def GetExtraFlags(self): |
| return self._extra_flags |
| |
| def GetMaxConcurrentProcesses(self): |
| # Run as much concurrent processes as possible. |
| return None |
| |
| def GetHeaderDependenciesFilePath(self): |
| return '$out.d' |
| |
| def GetHeaderDependenciesFormat(self): |
| return 'gcc' |
| |
| def GetRspFilePath(self): |
| # A command line only contains one input and one output file. |
| pass |
| |
| def GetRspFileContent(self): |
| # A command line only contains one input and one output file. |
| pass |
| |
| |
| def _GetClangCommand(path, language, extra_flags, flags, shell): |
| del shell # Not used. |
| return ('{path} -x {language} -MMD -MF $out.d {extra_flags} {flags} -c $in ' |
| '-o $out'.format(path=path, language=language, |
| extra_flags=extra_flags, flags=flags)) |
| |
| |
| class CCompiler(CompilerBase, abstract.CCompiler): |
| """Compiles C sources using Clang.""" |
| |
| def __init__(self, **kwargs): |
| super(CCompiler, self).__init__(**kwargs) |
| |
| def GetCommand(self, path, extra_flags, flags, shell): |
| return _GetClangCommand(path, 'c', extra_flags, flags, shell) |
| |
| def GetDescription(self): |
| return 'CC $out' |
| |
| def GetFlags(self, defines, include_dirs, cflags): |
| define_flags = ['-D{0}'.format(define) for define in defines] |
| include_dir_flags = [ |
| '-I{0}'.format(include_dir) for include_dir in include_dirs |
| ] |
| return define_flags + include_dir_flags + cflags |
| |
| |
| class CxxCompiler(CompilerBase, abstract.CxxCompiler): |
| """Compiles C++ sources using Clang.""" |
| |
| def __init__(self, **kwargs): |
| super(CxxCompiler, self).__init__(**kwargs) |
| |
| def GetCommand(self, path, extra_flags, flags, shell): |
| return _GetClangCommand(path, 'c++', extra_flags, flags, shell) |
| |
| def GetDescription(self): |
| return 'CXX $out' |
| |
| def GetFlags(self, defines, include_dirs, cflags): |
| define_flags = ['-D{0}'.format(define) for define in defines] |
| include_dir_flags = [ |
| '-I{0}'.format(include_dir) for include_dir in include_dirs |
| ] |
| return define_flags + include_dir_flags + cflags |
| |
| |
| class ObjectiveCxxCompiler(CompilerBase, abstract.ObjectiveCxxCompiler): |
| """Compiles Objective-C++ sources using Clang.""" |
| |
| def __init__(self, **kwargs): |
| super(ObjectiveCxxCompiler, self).__init__(**kwargs) |
| |
| def GetCommand(self, path, extra_flags, flags, shell): |
| return _GetClangCommand(path, 'objective-c++', extra_flags, flags, shell) |
| |
| def GetDescription(self): |
| return 'OBJCXX $out' |
| |
| def GetFlags(self, defines, include_dirs, cflags): |
| define_flags = ['-D{0}'.format(define) for define in defines] |
| include_dir_flags = [ |
| '-I{0}'.format(include_dir) for include_dir in include_dirs |
| ] |
| return define_flags + include_dir_flags + cflags |
| |
| |
| class AssemblerWithCPreprocessor(CompilerBase, |
| abstract.AssemblerWithCPreprocessor): |
| """Compiles assembler sources that contain C preprocessor directives.""" |
| |
| def __init__(self, **kwargs): |
| super(AssemblerWithCPreprocessor, self).__init__(**kwargs) |
| |
| def GetCommand(self, path, extra_flags, flags, shell): |
| return _GetClangCommand(path, 'assembler-with-cpp', extra_flags, flags, |
| shell) |
| |
| def GetDescription(self): |
| return 'ASM $out' |
| |
| def GetFlags(self, defines, include_dirs, cflags): |
| define_flags = ['-D{0}'.format(define) for define in defines] |
| include_dir_flags = [ |
| '-I{0}'.format(include_dir) for include_dir in include_dirs |
| ] |
| return define_flags + include_dir_flags + cflags |